<script setup>
import { getCategoryFilterAPI, getSubCategoryAPI } from '@/apis/category'
import { onMounted, ref } from 'vue'
import { useRoute } from 'vue-router'
import GoodsItem from '../Home/components/GoodsItem.vue'
// 获取面包屑导航数据
const categoryData = ref({})
const route = useRoute()
const getCategoryData = async () => {
	const res = await getCategoryFilterAPI(route.params.id)
	categoryData.value = res.result
}
onMounted(() => getCategoryData())

// 获取基础列表数据渲染
const goodList = ref([])
const reqData = ref({
	categoryId: route.params.id,
	page: 1,
	pageSize: 20,
	sortField: 'publishTime'
})
const getGoodList = async () => {
	const res = await getSubCategoryAPI(reqData.value)
	// console.log(res)
	goodList.value = res.result.items
}
onMounted(() => getGoodList())

// tab切换回调
const tabChange = () => {
	// console.log('tab切换了', reqData.value.sortField)
	reqData.value.page = 1
	getGoodList()
}

// 加载更多
const disabled = ref(false)
const load = async () => {
	// console.log('加载更多数据咯')
	// 获取下一页的数据
	reqData.value.page++
	const res = await getSubCategoryAPI(reqData.value)
	goodList.value = [...goodList.value, ...res.result.items]
	// 加载完毕 停止监听
	if (res.result.items.length === 0) {
		disabled.value = true
	}
}
</script>

<template>
	<div class="container">
		<!-- 面包屑 -->
		<div class="bread-container">
			<el-breadcrumb separator=">">
				<el-breadcrumb-item :to="{ path: '/' }">首页</el-breadcrumb-item>
				<el-breadcrumb-item :to="{ path: `/category/${categoryData.parentId}` }">{{ categoryData.parentName }} </el-breadcrumb-item>
				<el-breadcrumb-item>{{ categoryData.name }}</el-breadcrumb-item>
			</el-breadcrumb>
		</div>
		<div class="sub-container">
			<el-tabs v-model="reqData.sortField" @tab-change="tabChange">
				<el-tab-pane label="最新商品" name="publishTime"></el-tab-pane>
				<el-tab-pane label="最高人气" name="orderNum"></el-tab-pane>
				<el-tab-pane label="评论最多" name="evaluateNum"></el-tab-pane>
			</el-tabs>
			<div class="body" v-infinite-scroll="load" :infinite-scroll-disabled="disabled">
				<!-- 商品列表-->
				<GoodsItem v-for="goods in goodList" :goods="goods" :key="goods.id" />
			</div>
		</div>
	</div>
</template>



<style lang="scss" scoped>
.bread-container {
	padding: 25px 0;
	color: #666;
}

.sub-container {
	padding: 20px 10px;
	background-color: #fff;

	.body {
		display: flex;
		flex-wrap: wrap;
		padding: 0 10px;
	}

	.goods-item {
		display: block;
		width: 220px;
		margin-right: 20px;
		padding: 20px 30px;
		text-align: center;

		img {
			width: 160px;
			height: 160px;
		}

		p {
			padding-top: 10px;
		}

		.name {
			font-size: 16px;
		}

		.desc {
			color: #999;
			height: 29px;
		}

		.price {
			color: $priceColor;
			font-size: 20px;
		}
	}

	.pagination-container {
		margin-top: 20px;
		display: flex;
		justify-content: center;
	}
}
</style>